3.5mm arphones Hands-free Headset with Mic White Compatible with AT&T Sonim XP7 Cell Phones. these Sound Isolating Headsets with integrated voice functionality gives you the freedom of hands-free phone calls. This versatile set of earbuds is perfect for smartphones, tablets users with a built-in microphone and call answer/end button, and a shirt clip for comfort and ease of use. The extra ear gels also come in different sizes to give you the perfect and most comfortable fit for your ears.